Harman Kardon PA 2000, Service Manual

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FRONT-PANEL CONTROLS & INDICATORS
1
Power Switch: Press this switch to turn
the PA 4000 on for manual operation when the
Power Control Mode Switch
·
for one or
both channel pairs is in the ON position, or to
place it in the Standby mode when the
Power
Control Mode Switch
·
for one or both
channel pairs is in either the Music Sense or
AC/DC Trigger position.
2
Power Indicators: These indicators will
light when any of the channel pairs are on.
3
Standby Indicators: These indicators will
light when AC mains power is applied, but
when a specific channel pair is not currently
active. In this condition, the channel pair associ-
ated with the indicator is ready to turn on
when a signal is applied to the
Trigger Jack
fi
or when there is an audio signal applied to
either Input Jack
⁄›
.
4
Protect Indicators: These indicators will
light when one of the channel pairs is in the
Protect mode. When one of these indicators
lights, turn the unit off immediately and check
for a problem, such as a short in the speaker
wiring.
Front-Panel Controls and Indicators
1
Power Switch
2
Power Indicators
3
Standby Indicators
4
Protect Indicators
Power
CH 1 CH 2
Stand by
Power
Protect
CH 3 CH 4
PA 4000
1 3
3 2 2 4
4
PA4000 harman/kardon
11